BioChem - DOS

An effective hybrid strategy for converting rice straw to furoic acid by tandem catalysis via Sn-sepiolite combined with recombinant E. coli whole cells harboring horse liver alcohol dehydrogenase

Green chemistry : an international journal and green chemistry resource : GC

PengThese authors have contributed equally to this work., Bo; Ma, Cui-Luan; Zhang, Peng-Qi; Wu, Chang-Qing; Wang, Zi-Wei; Li, Ai-Tao; He, Yu-Cai; Yang, Bin

<P>The upgrading of biomass-derived furfural into high-value bio-based chemicals has attracted interest. In this case, the conversion of rice straw into furfural was firstly performed using tin-loaded sepiolite (Sn-sepiolite) as a catalyst. Acidified solid acid Sn-sepiolite (3.0 wt%) converted alkali-pretreated dewaxed rice straw into furfural at 42.2% yield at 170 &deg;C for 20 min. Moreover, biomass-derived furfural could be completely converted into furoic acid with recombinant immobilized <I>E. coli</I> TS whole-cells within 96 h at pH 7.0 and 30 &deg;C, respectively. Finally, efficient recycling and reuse of the Sn-sepiolite catalyst and immobilized TS whole-cell biocatalyst were developed for the synthesis of furoic acid from rice straw in the one-pot reaction system. In summary, an effective one-pot chemo-enzymatic synthesis of furoic acid from renewable biomass was successfully developed using ambient conditions.</P><P>Graphic Abstract</P><P>The upgrading of biomass-derived furfural into high-value bio-based chemicals has attracted interest.<BR/><IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c9gc02499a'/><BR/></P>

2019

The Royal Society of Chemistry

1463-9262

1463-9270

21

21

pp.5914-5923

10.1039/c9gc02499a

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